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Looking for some advice, I need to provide some context first:
Sometimes I like to run a single session that is purely a series of 'random' events/encounters. I wrote 'random' because I do use a tool to generate the random events/encounters and then I collect up the best ones and put them in a list. Based on what the characters do will drive what happens. That is what happened on Sunday.
The party is traveling up a river towards the frontier. Along the way they encountered a huge thunderstorm and a F5 tornado (Random). The captain of the boat (PC) has luck so no one hurt and boat survived intact. The next day they encountered a fog and they noticed animals where fleeing the fog (Random). That night they encountered another boat and that crew had captured a bird which had a few feathers that were neon blue in color (Random). Sitting around the campfire a couple of the players realize there was a falling star that hit in the area 50 or 75 years ago. Two characters are very curious so they use skills to take a guess where the falling star probably hit. They headed off in that direction. Along they way they noticed more and more animals, plants and the very ground turned to the color of neon blue. The lucky character and good skill rolls got them close enough to see an unusual land formation in the form of a mesa (Random). They climbed up and found a weird biosphere and a bunch of blue stones. All the plants were blue in color. One of the players accidentally bumped his arm against a plant and spores from the plant sprayed his arm and his arm turned blue.
At this point the mage determined the blue stones have alteration magic associated with it.
Ok so here where I need advice:
The party took about 30 lbs of stones with them.
The stones are in fact magic.
I really haven't decided what can be done with the stones
Here are a few things I have thought about:
Stones (prepared/ground up) and put into a liquid can be used to color anything neon blue. Permanently or temporary...
Stones combined with other magic can be used to alter an item to contain the magic that was cast on the item. In my campaign world there is only one group of mages who can create magic items by working with other mages. The blue stones bypass the need for the mage who creates magic items.
Stones add some kind of power when added to a an item
Stones do nothing
Thank you